According to theories of how life began, how did early organic molecules begin to separate from the outside world? Specialized enzymes were required
Chains of amino acids created a barrier
Formation of microspheres or vesicles
RNA catalyzed the formation of membranes

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart